condition mean min max 4 h after light 5.039865 4.87243 5.2073 8 h after light 5.7669049999999995 5.35067 6.18314 12 h after light 4.835285000000001 4.58192 5.08865 4 h after dark 8.004883333333334 7.30603 8.46222 8 h after dark 9.303103333333333 6.93671 10.8546 12 h after dark 5.581126666666667 5.11535 6.05898